(function () {
  // 1. 实例化对象
  let myChart = echarts.init(document.getElementsByClassName("geo")[0]);
  // 2. 指定配置和数据
  let geoCoordMap = {
    上海: [121.4648, 31],
    东莞: [113.8953, 22],
    东营: [118.7073, 37],
    中山: [113.4229, 22],
    临汾: [111.4783, 36],
    临沂: [118.3118, 35],
    丹东: [124.541, 40],
    丽水: [119.5642, 28],
    乌鲁木齐: [87.9236, 43],
    佛山: [112.8955, 23],
    保定: [115.0488, 39],
    兰州: [103.5901, 36],
    包头: [110.3467, 41],
    北京: [116.4551, 40],
    北海: [109.314, 21],
    南京: [118.8062, 31],
    南宁: [108.479, 23],
    南昌: [116.0046, 28],
    南通: [121.1023, 32],
    厦门: [118.1689, 24],
    台州: [121.1353, 28],
    合肥: [117.29, 32],
    呼和浩特: [111.4124, 40],
    咸阳: [108.4131, 34],
    哈尔滨: [127.9688, 45],
    唐山: [118.4766, 39],
    嘉兴: [120.9155, 30],
    大同: [113.7854, 39],
    大连: [122.2229, 39],
    天津: [117.4219, 39],
    太原: [112.3352, 37],
    威海: [121.9482, 37],
    宁波: [121.5967, 29],
    宝鸡: [107.1826, 34],
    宿迁: [118.5535, 33],
    常州: [119.4543, 31],
    广州: [113.5107, 23],
    廊坊: [116.521, 39],
    延安: [109.1052, 36],
    张家口: [115.1477, 40],
    徐州: [117.5208, 34],
    德州: [116.6858, 37],
    惠州: [114.6204, 23],
    成都: [103.9526, 30],
    扬州: [119.4653, 32],
    承德: [117.5757, 41],
    拉萨: [91.1865, 30],
    无锡: [120.3442, 31],
    日照: [119.2786, 35],
    昆明: [102.9199, 25],
    杭州: [119.5313, 29],
    枣庄: [117.323, 34],
    柳州: [109.3799, 24],
    株洲: [113.5327, 27],
    武汉: [114.3896, 30],
    汕头: [117.1692, 23],
    江门: [112.6318, 22],
    沈阳: [123.1238, 42],
    沧州: [116.8286, 38],
    河源: [114.917, 23],
    泉州: [118.3228, 25],
    泰安: [117.0264, 36],
    泰州: [120.0586, 32],
    济南: [117.1582, 36],
    济宁: [116.8286, 35],
    海口: [110.3893, 19],
    淄博: [118.0371, 36],
    淮安: [118.927, 33],
    深圳: [114.5435, 22],
    清远: [112.9175, 24],
    温州: [120.498, 27],
    渭南: [109.7864, 35],
    湖州: [119.8608, 30],
    湘潭: [112.5439, 27],
    滨州: [117.8174, 37],
    潍坊: [119.0918, 36],
    烟台: [120.7397, 37],
    玉溪: [101.9312, 23],
    珠海: [113.7305, 22],
    盐城: [120.2234, 33],
    盘锦: [121.9482, 41],
    石家庄: [114.4995, 38],
    福州: [119.4543, 25],
    秦皇岛: [119.2126, 40],
    绍兴: [120.564, 29],
    聊城: [115.9167, 36],
    肇庆: [112.1265, 23],
    舟山: [122.2559, 30],
    苏州: [120.6519, 31],
    莱芜: [117.6526, 36],
    菏泽: [115.6201, 35],
    营口: [122.4316, 40],
    葫芦岛: [120.1575, 40],
    衡水: [115.8838, 37],
    衢州: [118.6853, 28],
    西宁: [101.4038, 36],
    西安: [109.1162, 34],
    贵阳: [106.6992, 26],
    连云港: [119.1248, 34],
    邢台: [114.8071, 37],
    邯郸: [114.4775, 36],
    郑州: [113.4668, 34],
    鄂尔多斯: [108.9734, 39],
    重庆: [107.7539, 30],
    金华: [120.0037, 29],
    铜川: [109.0393, 35],
    银川: [106.3586, 38],
    镇江: [119.4763, 31],
    长春: [125.8154, 44],
    长沙: [113.0823, 28],
    长治: [112.8625, 36],
    阳泉: [113.4778, 38],
    青岛: [120.4651, 36],
    韶关: [113.7964, 24],
  };

  let XAData = [
    [{ name: "西安" }, { name: "北京", value: 100 }],
    [{ name: "西安" }, { name: "上海", value: 100 }],
    [{ name: "西安" }, { name: "广州", value: 100 }],
    [{ name: "西安" }, { name: "西宁", value: 100 }],
    [{ name: "西安" }, { name: "拉萨", value: 100 }],
  ];

  let XNData = [
    [{ name: "西宁" }, { name: "北京", value: 100 }],
    [{ name: "西宁" }, { name: "上海", value: 100 }],
    [{ name: "西宁" }, { name: "广州", value: 100 }],
    [{ name: "西宁" }, { name: "西安", value: 100 }],
    [{ name: "西宁" }, { name: "银川", value: 100 }],
  ];

  let YCData = [
    [{ name: "拉萨" }, { name: "北京", value: 100 }],
    [{ name: "拉萨" }, { name: "潍坊", value: 100 }],
    [{ name: "拉萨" }, { name: "哈尔滨", value: 100 }],
  ];

  let planePath =
    "path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z";
  //let planePath = 'arrow';
  let convertData = function (data) {
    let res = [];
    for (let i = 0; i < data.length; i++) {
      let dataItem = data[i];

      let fromCoord = geoCoordMap[dataItem[0].name];
      let toCoord = geoCoordMap[dataItem[1].name];
      if (fromCoord && toCoord) {
        res.push({
          fromName: dataItem[0].name,
          toName: dataItem[1].name,
          coords: [fromCoord, toCoord],
          value: dataItem[1].value,
        });
      }
    }
    return res;
  };

  let color = ["#a6c84c", "#ffa022", "#46bee9"]; //航线的颜色
  let series = [];
  [
    ["西安", XAData],
    ["西宁", XNData],
    ["银川", YCData],
  ].forEach(function (item, i) {
    series.push(
      {
        name: item[0] + " Top3",
        type: "lines",
        zlevel: 1,
        effect: {
          show: true,
          period: 6,
          trailLength: 0.7,
          color: "red", //arrow箭头的颜色
          symbolSize: 3,
        },
        lineStyle: {
          normal: {
            color: color[i],
            width: 0,
            curveness: 0.2,
          },
        },
        data: convertData(item[1]),
      },
      {
        name: item[0] + " Top3",
        type: "lines",
        zlevel: 2,
        symbol: ["none", "arrow"],
        symbolSize: 10,
        effect: {
          show: true,
          period: 6,
          trailLength: 0,
          symbol: planePath,
          symbolSize: 15,
        },
        lineStyle: {
          normal: {
            color: color[i],
            width: 1,
            opacity: 0.6,
            curveness: 0.2,
          },
        },
        data: convertData(item[1]),
      },
      {
        name: item[0] + " Top3",
        type: "effectScatter",
        coordinateSystem: "geo",
        zlevel: 2,
        rippleEffect: {
          brushType: "stroke",
        },
        label: {
          normal: {
            show: true,
            position: "right",
            formatter: "{b}",
          },
        },
        symbolSize: function (val) {
          return val[2] / 8;
        },
        itemStyle: {
          normal: {
            color: color[i],
          },
          emphasis: {
            areaColor: "#2B91B7",
          },
        },
        data: item[1].map(function (dataItem) {
          return {
            name: dataItem[1].name,
            value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value]),
          };
        }),
      }
    );
  });
  let option = {
    tooltip: {
      trigger: "item",
      formatter: function (params, ticket, callback) {
        if (params.seriesType == "effectScatter") {
          return "观影人数：" + params.data.name + "" + params.data.value[1];
        } else {
          return params.name;
        }
      },
    },

    geo: {
      map: "china",
      label: {
        emphasis: {
          show: true,
          color: "#fff",
        },
      },
      roam: true,
      //   放大我们的地图
      zoom: 1.2,
      itemStyle: {
        normal: {
          areaColor: "#142957",
          borderColor: "#195BB9",
          borderWidth: 1,
        },
        emphasis: {
          areaColor: "#2B91B7",
        },
      },
    },
    series: series,
  };
  // 3. 把数据和配置给实例对象
  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
})();


